Most of the men on Chatroulette type sites are searching for women and will skip other men immediately.
If English isn't your native language, you can choose a different language at the top right corner.
You are free to say and show whatever you feel comfortable with as long as it is legal.
If you want to stop viewing cams, there is a convenient stop button near the top of the page.
This allows you to reduce your data usage when you want to step away from your cam for a prolonged amount of time.